Table 2.

Summary of Toronto Western Spasmodic Torticollis Rating Scale–Total scores

VisitPlacebo, n = 36Botulinum toxin type B
5,000 U, n = 3610,000 U, n = 37
NS = not significant.
Baseline
Mean ± SD43.6 ± 9.046.4 ± 10.446.9 ± 9.6
4 Weeks after injection
Mean ± SD39.3 ± 11.737.1 ± 15.135.2 ± 12.3
p Value0.01150.0004
8 Weeks after injection
Mean ± SD41.3 ± 13.439.4 ± 14.338.5 ± 12.8
p Value0.01910.0032
12 Weeks after injection
Mean ± SD42.2 ± 12.642.9 ± 12.542.8 ± 12.1
p ValueNSNS
16 Weeks after injection
Mean ± SD43.3 ± 13.645.5 ± 12.248.2 ± 10.3
p ValueNSNS